tbright - scripts - random scripts
  HTML git clone https://git.parazyd.org/scripts
   DIR Log
   DIR Files
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       ---
       tbright (336B)
       ---
            1 #!/bin/sh
            2 
            3 syspath="/sys/class/backlight/intel_backlight"
            4 step=300
            5 
            6 case "$1" in
            7         +)
            8                 curr="$(cat $syspath/brightness)"
            9                 curr=$(($curr+$step))
           10                 printf "%s" "$curr" > "$syspath"/brightness
           11                 ;;
           12         -)
           13                 curr="$(cat $syspath/brightness)"
           14                 curr=$(($curr-$step))
           15                 printf "%s" "$curr" > "$syspath"/brightness
           16                 ;;
           17         *)
           18                 return 0
           19                 ;;
           20 esac